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( Wen-lei Xu ),( Shao-hong Wang ),( Wen-bing Sun ),( Jun Gao ),( Xue-mei Ding ),( Jian Kong ),( Li Xu ),( Shan Ke ) 생화학분자생물학회(구 한국생화학분자생물학회) 2019 BMB Reports Vol.52 No.4
Currently speaking, it is noted that radiofrequency ablation (RFA) has been the most widely used treatment for hepatocellular carcinoma (HCC) occurring in patients. However, accumulating evidence has demonstrated that the incidence of insufficient RFA (IRFA) may result in the identified rapid progression of residual HCC in the patient, which can greatly hinder the effectiveness and patient reported benefits of utilizing this technique. Although many efforts have been proposed, the underlying mechanisms triggering the rapid progression of residual HCC after IRFA have not yet been fully clarified through current research literature reviews. It was shown in this study that cell proliferation, migration and invasion of residual HepG2 and SMMC7721 cells were significantly increased after the IRFA was simulated in vitro. In other words, it is noted that IRFA could do this by enhancing the image of autophagy of the residual HCC cell via the HIF-1 α/BNIP3 pathway. Consequently, the down-regulation of BNIP3 may result in the inhibition of the residual HCC cell progression and autophagy after IRFA. Our present study results suggest that IRFA could promote residual HCC cell progression in vitro by enhancing autophagy via the HIF-1 α/BNIP3 pathway. For this reason, it is noted that the targeting of the BNIP3 may be useful in preventing the rapid growth and metastasis of residual HCC after IRFA. [BMB Reports 2019; 52(4): 277-282]
( Wen Jun Jiang ) 국민대학교 중국지식네트워크 2012 중국지식네트워크 Vol.2 No.-
在卽往對近代中國社會中間組織的硏究中, 有不少是應用哈貝馬斯提出的“公共領域”這壹槪念來進行分析與解讀的, 然而將近代中國的民間社會組織比附作西方歷史上的“公共領域”, 以西方的歷史演變模式作爲壹理想型來解釋中國。這不就是把壹個具有西方起源的槪念强加於壹種異質的社會現實。所以本硏究嘗試采用壹種新的理論範型 ? 社會權力(social power), 作爲理論分析的工具。竝以上海會計師公會爲例, 探討中層組織與國家間的互動關系。上海這壹城市的西化特質與現代部門的成長給予了會計師廣闊的職業發展空間。而政府與會計師公會的關系則是復雜微妙的。壹方面國民政府與會計師公會有著共同的利益訴求 ? 國家構建與現代化導向。령壹方面, 致力於“以黨建國”的國民政府需要將國家的行政權力不斷向下延伸, 展現出壹種國家(精英)控制型公共性。 In the past studies on social organizations of modern China, many of them used the the conception of “Public Sphere” which has introduced by Habermas. However, the comparison of civil society organizations in Modern China to the “Public Sphere” in the history of the West, using the historical evolution in the West as ideal type to interpret China., it imposes a conception in the western origin on foreign social reality. This study provides a new paradigm as the theoretical tool ? social power. In the case of the Shanghai Society of Accountants, inquired into the interaction between social organization and nation. The city of Shanghai with western style and the development of modern economy provided an excellent career prospect for accountants. The relations between government and the Society of Accountants were also complex and subtle. On the one hand, the National Government and the Society of Accountants shared common interests?nation building and social modernization. On the other hand, The National Government which engaged in “ruling the country by the party” and expanded administrative authority downward constantly, presenting the state-controlled Public.
Wen-hao Wang,Jun-ming Lin,Fei Luo,Lian-shui Hu,Jun Li,Wei Huang 대한신경과학회 2013 Journal of Clinical Neurology Vol.9 No.4
Background and Purpose Cerebral venous flow obstruction (CVFO) is a fatal complication of traumatic brain injury. To compare the outcomes of patients with CVFO secondary to traumatic-brain-injury-induced transsinus fracture who were diagnosed early versus those diagnosed late in the therapeutic course. Methods In total, 403 patients with transsinus fracture were reviewed retrospectively. The patients were divided into an early-diagnosis group (n=338) and a delayed-diagnosis group (n=65).The patients submitted to 2D time-of-flight magnetic resonance venography (2D-TOF MRV) and/or CT venography (CTV), depending upon the findings of intracranial pressure monitoring, in order to identify potentially complicated CVFO. These examinations took place within 3 days of the onset of malignant intracranial hypertension symptoms in the early-diagnosis group, and after an average of 7 days in the delayed-diagnosis group. Once diagnosed, patients received intravenous thrombolytic therapy with low-dose urokinase. Patients with massive transsinus epidural hematoma, depressed fracture, or cerebral hernia were treated surgically to relieve the compression and repair any damage to the venous sinuses. Results Cerebral venous flow obstruction was much more severe in the delayed-diagnosis group than in the early-diagnosis group (p<0.001), and hence patients in the former group were given a higher dose of urokinase (p<0.001) for thrombolytic therapy. They were also significantly more likely to need surgery (48.1% vs. 20.6%, p=0.003) and had a higher mortality rate (37.0%vs. 4.1%, p<0.001). However, patients in both groups experienced a similarly favorable prognosis, not only with regard to functional outcome but also with respect to neuroradiological improvement, as evaluated by 2D-TOF MRV/CTV at the final follow-up (p=0.218). Conclusions Delayed diagnosis can result in increased risk of surgery and death in the acute phase. Thrombolytic therapy with low-dose urokinase resulted in promising improvements in both functional and neuroradiological outcomes in all of the patients in this study, regardless of the time to diagnosis. J Clin Neurol 2013;9:259-268
New Ostrowski type inequalities involving two functions
Wen-jun Liu,Qiao-ling Xue,Jian-wei Dong 한국전산응용수학회 2008 Journal of applied mathematics & informatics Vol.26 No.1
In this paper, new inequalities of Ostrowski type involving two functions and their derivatives for mapping whose derivations belong to Lp[a, b], p>1 are established .
Prediction and analysis of structural noise of a box girder using hybrid FE-SEA method
Wen-jun Luo,Zi-zheng Zhang,Bao-you Wu,Chang-jie Xu,Peng-qi Yang 국제구조공학회 2020 Structural Engineering and Mechanics, An Int'l Jou Vol.75 No.4
With the rapid development of rail transit, rail transit noise needs to be paid more and more attention. In order to accurately and effectively analyze the characteristics of low-frequency noise, a prediction model of vibration of box girder was established based on the hybrid FE-SEA method. When the train speed is 140 km/h, 200 km/h and 250 km/h, the vibration and noise of the box girder induced by the vertical wheel-rail interaction in the frequency range of 20-500 Hz are analyzed. Detailed analysis of the energy level, sound pressure contribution, modal analysis and vibration loss power of each slab at the operating speed of 140 km /h. The results show that: (1) When the train runs at a speed of 140km/h, the roof contributes more to the sound pressure at the far sound field point. Analyzing the frequency range from 20 to 500 Hz: The top plate plays a very important role in controlling sound pressure, contributing up to 70% of the sound pressure at peak frequencies. (2) When the train is traveling at various speeds, the maximum amplitude of structural vibration and noise generated by the viaduct occurs at 50 Hz. The vibration acceleration of the box beam at the far field point and near field point is mainly concentrated in the frequency range of 31.5-100 Hz, which is consistent with the dominant frequency band of wheel-rail force. Therefore, the main frequency of reducing the vibration and noise of the box beam is 31.5-100 Hz. (3) The vibration energy level and sound pressure level of the box bridge at different speeds are basically the same. The laws of vibration energy and sound pressure follow the rules below: web <wing plate <top plate. (4) When the train is running at a higher speed, the noise and vibration of the bridge structure are larger. (5) The hybrid FE-SEA method is used to predict the structural noise of the box beam, which not only improves the efficiency, but also improves the calculation accuracy, thereby expanding the frequency range of the structural noise and improving the prediction accuracy.
Experimental study on performance of steam-water injector with central water nozzle arrangement
Wen Jun Li,Dao Tong Chong,Jun Jie Yan,Wei Xiong Chen,Jin Shi Wang 한국화학공학회 2014 Korean Journal of Chemical Engineering Vol.31 No.9
The steam-water injector (SI) is a simple mechanical device that has been widely used in industry. Wedid an experimental study to find the influence of physical and geometrical parameters on performance of the SI. Thephysical parameters studied were steam inlet pressure, water inlet pressure and water inlet temperature. Whereas, thegeometrical parameters studied were steam nozzle area ratio, area ratio of steam nozzle to water nozzle and the mixingsection converging angle. Pump head was introduced to evaluate the lifting-pressure performance of the SI under dif-ferent operating and geometrical conditions. Optimal values of steam nozzle area ratio and mixing section convergingangle were 1.3 and 11.6orespectively, for the present work, and optimal value of area ratio of steam nozzle to waternozzle increased with increasing water inlet pressure. Two head-capacity curves were introduced to highlight the effectof various physical and geometrical parameters on the performance of SI.